/Engine/Plugins/Runtime/Metasound/Source/MetasoundEngine/Public/MetasoundBuilderSubsystem.h
Returns if a given node output is connected.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Audio|MetaSound|Builder") bool NodeOutputIsConnected ( const [FMetaSoundBuilderNodeOutputHandle](API\Plugins\MetasoundEngine\FMetaSoundBuilderNodeOutputHandl-) & OutputHandle ) const